src/libimcv/plugins/imc_os/imc_os_state.c

   1 /*
   2  * Copyright (C) 2012 Andreas Steffen
   3  * HSR Hochschule fuer Technik Rapperswil
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15
  16 #include "imc_os_state.h"
  17
  18 #include <tncif_names.h>
  19
  20 #include <debug.h>
  21
  22 typedef struct private_imc_os_state_t private_imc_os_state_t;
  23
  24 /**
  25  * Private data of an imc_os_state_t object.
  26  */
  27 struct private_imc_os_state_t {
  28
  29         /**
  30          * Public members of imc_os_state_t
  31          */
  32         imc_os_state_t public;
  33
  34         /**
  35          * TNCCS connection ID
  36          */
  37         TNC_ConnectionID connection_id;
  38
  39         /**
  40          * TNCCS connection state
  41          */
  42         TNC_ConnectionState state;
  43
  44         /**
  45          * Assessment/Evaluation Result
  46          */
  47         TNC_IMV_Evaluation_Result result;
  48
  49         /**
  50          * Does the TNCCS connection support long message types?
  51          */
  52         bool has_long;
  53
  54         /**
  55          * Does the TNCCS connection support exclusive delivery?
  56          */
  57         bool has_excl;
  58
  59         /**
  60          * Maximum PA-TNC message size for this TNCCS connection
  61          */
  62         u_int32_t max_msg_len;
  63 };
  64
  65 METHOD(imc_state_t, get_connection_id, TNC_ConnectionID,
  66         private_imc_os_state_t *this)
  67 {
  68         return this->connection_id;
  69 }
  70
  71 METHOD(imc_state_t, has_long, bool,
  72         private_imc_os_state_t *this)
  73 {
  74         return this->has_long;
  75 }
  76
  77 METHOD(imc_state_t, has_excl, bool,
  78         private_imc_os_state_t *this)
  79 {
  80         return this->has_excl;
  81 }
  82
  83 METHOD(imc_state_t, set_flags, void,
  84         private_imc_os_state_t *this, bool has_long, bool has_excl)
  85 {
  86         this->has_long = has_long;
  87         this->has_excl = has_excl;
  88 }
  89
  90 METHOD(imc_state_t, set_max_msg_len, void,
  91         private_imc_os_state_t *this, u_int32_t max_msg_len)
  92 {
  93         this->max_msg_len = max_msg_len;
  94 }
  95
  96 METHOD(imc_state_t, get_max_msg_len, u_int32_t,
  97         private_imc_os_state_t *this)
  98 {
  99         return this->max_msg_len;
 100 }
 101
 102 METHOD(imc_state_t, change_state, void,
 103         private_imc_os_state_t *this, TNC_ConnectionState new_state)
 104 {
 105         this->state = new_state;
 106 }
 107
 108 METHOD(imc_state_t, set_result, void,
 109         private_imc_os_state_t *this, TNC_IMCID id,
 110         TNC_IMV_Evaluation_Result result)
 111 {
 112         this->result = result;
 113 }
 114
 115 METHOD(imc_state_t, get_result, bool,
 116         private_imc_os_state_t *this, TNC_IMCID id,
 117         TNC_IMV_Evaluation_Result *result)
 118 {
 119         if (result)
 120         {
 121                 *result = this->result;
 122         }
 123         return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
 124 }
 125
 126 METHOD(imc_state_t, destroy, void,
 127         private_imc_os_state_t *this)
 128 {
 129         free(this);
 130 }
 131
 132 /**
 133  * Described in header.
 134  */
 135 imc_state_t *imc_os_state_create(TNC_ConnectionID connection_id)
 136 {
 137         private_imc_os_state_t *this;
 138
 139         INIT(this,
 140                 .public = {
 141                         .interface = {
 142                                 .get_connection_id = _get_connection_id,
 143                                 .has_long = _has_long,
 144                                 .has_excl = _has_excl,
 145                                 .set_flags = _set_flags,
 146                                 .set_max_msg_len = _set_max_msg_len,
 147                                 .get_max_msg_len = _get_max_msg_len,
 148                                 .change_state = _change_state,
 149                                 .set_result = _set_result,
 150                                 .get_result = _get_result,
 151                                 .destroy = _destroy,
 152                         },
 153                 },
 154                 .state = TNC_CONNECTION_STATE_CREATE,
 155                 .result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
 156                 .connection_id = connection_id,
 157         );
 158
 159         return &this->public.interface;
 160 }
 161
 162